R. Hoekstra

Patents as instruments for exploring innovation dynamics: geographic and technological perspectives on “photovoltaic cells”

Rinke Hoekstra, Loet Leydesdorff, Gaston Heimeriks, 2014, Scientometrics.

Geographic and Technological Perspectives on "Photovoltaic Cells: " Patents as Instruments for Exploring Innovation Dynamics pdf

Rinke Hoekstra, Loet Leydesdorff, Gaston Heimeriks, 2014, ArXiv.

Patents as instruments for exploring innovation dynamics

Rinke Hoekstra, Loet Leydesdorff, Gaston Heimeriks, 2015 .

INTERDISCIPLINARY DESCRIPTION OF COMPLEX SYSTEMS Scientific Journal

Erik Johnston, Yushim Kim, A. Smajgl, 2007 .